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ADS1294CZXGR Datasheet(PDF) 10 Page - Texas Instruments |
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ADS1294CZXGR Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 114 page  ADS1294, ADS1294R, ADS1296, ADS1296R, ADS1298, ADS1298R SBAS459K – JANUARY 2010 – REVISED AUGUST 2015 www.ti.com Pin Functions: TQFP Package PIN TYPE DESCRIPTION NO. NAME 1 IN8N(1) Analog input Differential analog negative input 8 (ADS1298) 2 IN8P(1) Analog input Differential analog positive input 8 (ADS1298) 3 IN7N(1) Analog input Differential analog negative input 7 (ADS1298) 4 IN7P(1) Analog input Differential analog positive input 7 (ADS1298) 5 IN6N(1) Analog input Differential analog negative input 6 (ADS1296, ADS1298) 6 IN6P(1) Analog input Differential analog positive input 6 (ADS1296, ADS1298) 7 IN5N(1) Analog input Differential analog negative input 5 (ADS1296, ADS1298) 8 IN5P(1) Analog input Differential analog positive input 5 (ADS1296, ADS1298) 9 IN4N(1) Analog input Differential analog negative input 4 10 IN4P(1) Analog input Differential analog positive input 4 11 IN3N(1) Analog input Differential analog negative input 3 12 IN3P(1) Analog input Differential analog positive input 3 13 IN2N(1) Analog input Differential analog negative input 2 14 IN2P(1) Analog input Differential analog positive input 2 15 IN1N(1) Analog input Differential analog negative input 1 16 IN1P(1) Analog input Differential analog positive input 1 Analog 17 TESTP_PACE_OUT1 (1) input/buffer Internal test signal/single-ended buffer output based on register settings output Analog 18 TESTN_PACE_OUT2(1) Internal test signal/single-ended buffer output based on register settings input/output 19 AVDD Supply Analog supply 20 AVSS Supply Analog ground 21 AVDD Supply Analog supply 22 AVDD Supply Analog supply 23 AVSS Supply Analog ground Analog 24 VREFP Positive reference input/output voltage input/output 25 VREFN Analog input Negative reference voltage 26 VCAP4 — Analog bypass capacitor; connect 1- μF capacitor to AVSS 27 NC — No connection, can be connected to AVDD or AVSS with a 10-k Ω resistor 28 VCAP1 — Analog bypass capacitor; connect 22- μF capacitor to AVSS 29 NC — No connection, can be connected to AVDD or AVSS with a 10-k Ω resistor 30 VCAP2 — Analog bypass capacitor; connect 1- μF capacitor to AVSS 31 RESV1 Digital input Reserved for future use; must tie to logic low (DGND). 32 AVSS Supply Analog ground 33 DGND Supply Digital ground 34 DIN Digital input SPI data input 35 PWDN Digital input Power-down pin; active low 36 RESET Digital input System-reset pin; active low Digital 37 CLK External Master clock input or internal clock output. input/output 38 START Digital input Start conversion 39 CS Digital input SPI chip select; active low 40 SCLK Digital input SPI clock 41 DAISY_IN(2) Digital input Daisy-chain input; if not used, short to DGND. (1) Connect unused pins to AVDD. (2) When DAISY_IN is not used, tie to logic 0. 10 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: ADS1294 ADS1294R ADS1296 ADS1296R ADS1298 ADS1298R |
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